• ETRI Journal
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• v.39 no.4
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• pp.467-479
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• 2017

This study examines how the characteristics of cooperative research and development (R&D) projects in the public domain impact information and communication technology (ICT) convergence. Based on the analysis of 416 cooperative R&D projects under the ICT-based industry convergence R&D program in Korea, the study finds that the characteristics of cooperative R&D projects significantly impact ICT convergence. Moreover, the participation of public research institutes and universities is critical for ICT convergence compared with that of firms. However, in firm-to-firm cooperation, the participation of small and medium enterprises contributes to cross-sectional convergence, while the participation of large firms leads to overall and longitudinal convergence. R&D inputs such as the number of partners and government subsidies exhibit an inverted U-shaped relationship (negative quadratic effect) with technology convergence. Project duration and homogeneous partners are also critical factors for ICT convergence. The results indicate several implications and guidelines on how to effectively organize cooperative R&D projects to facilitate technology convergence.

• Journal of Korean Public Health Nursing
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• v.11 no.2
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• pp.106-120
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• 1997

The Purpose of this study was to get grasp the law intelligence related to nursing duty of nurse in order to estimate a degree of mangement duty, patient mangement duty, injection duty, medication duty that nurse have. This paper made a survey of 270 nurses who were employed in general hospital of Chon-ju city. Questionnaire were composed 32 items through four dimension. The result of this survey showed that as follow : 1. Law intelligence related to nursing duty was expressed mean score 17.24 score in maxim score 32 score, mangement duty mean score 5.01 score in maxim score 11 score, patient mangement duty mean score 2.72 score in maxim score 11 score, injection duty mean score 3.84 score in maxim score 7 score, medication duty mean score 3.55 in maxim score 7 score of each domain 2. Relationships of mangement duty. patient mangement duty, injection duty. medication duty were expressed to progressive relationship of all. 3. Correlation between general features and law intelligence related to my duty.

• The Journal of Korean Institute of Communications and Information Sciences
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• v.16 no.4
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• pp.291-300
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• 1991

As IVAN(International VAN) becomes a major topic on the table of Korea U.S. Telecommunications Consultation, public concern to this area is growing. IVAN service has been dedicated to the business domain of PTT or public telecommunications operator, and its development has been so limited as well. However, the situation is being changed and IVAN liberalization is considered to be essential not to isolate itself from globilized networks. Seeing the fact UR is challengnign ITU in facilitating the trade of telecommunications services, the worldwide trend of liberalization is apparant. It should be addressed that a clear policy anouncement is necessary with regard to the liberalization of IVAN. The purpose of this paper is to conduct case studies of IVAN agreements and to draw policy oriented issues.

• Journal of Korean Public Health Nursing
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• v.28 no.3
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• pp.432-444
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• 2014

Purpose: This descriptive study was conducted in order to investigate the research trends of past nursing studies related to disasters in Korea, and to identify the direction of future research. Methods: Fifty studies conducted from July 1995 to June 2014 were analyzed according to general characteristics, disaster phase, disaster type, and research theme based on the four areas and 10 domains of the ICN Framework of Disaster Nursing Competencies. Results: The majority of studies were designed using quantitative methods (29). In disaster type, 12 studies explored natural disasters, and 14 explored manmade disasters. Disaster responders were the subject of 31 studies. In relation to research topics, the majority of studies were in the area of preparedness competencies of the ICN Framework (26). The studies were concentrated in the domain of education and preparedness (24). Conclusion: The total number of studies on disasters had increased over the years, while the topics failed to deal with all domains of the ICN Framework. The results indicate that the future direction of nursing research on disasters is to be vitalized through the flexibility of research design, systematic approach based on global perspectives, research on emergency responders and vulnerable people, and research relating to community-based disaster nursing.

• Parasites, Hosts and Diseases
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• v.45 no.1 s.141
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• pp.59-63
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• 2007

Merozoite surface protein-1(MSP-1) and merozoite surface protein-2(MSP-2) were used to develop vaccines and to investigate the genetic diversity in Plasmodium falciparum malaria in Iran. Nested polymerase chain reaction amplification was used to determine polymorph isms of block 2 of the MSP-1 and the central domain of MSP-2 genes. A total of 67 microscopically positive P. falciparum infected individuals from a major endemic region, southeast Iran, were included in this trial. Nine alleles of MSP-1 and 11 alleles of MSP-2 were identified. The results showed that amplified product from these surface antigen genes varied in size and there was specific pattern for each isolate. Besides, regarding this pattern, 23 multiple infections with at least 2 alleles were observed. While the endemic regions of malaria in Iran is classified in low to moderate group, but extensive polymorphism was observed for each marker and the MSP-2 central repeat was the most diverse that could be considered in designing malaria vaccine.

• Journal of Korean Society of Archives and Records Management
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• v.15 no.3
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• pp.141-167
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• 2015

Social media is utilized in both personal and public domains in various ways, with a value on being the recorded evidence of modern day's culture and history. Recently, social media is being utilized very actively-domestically and abroad-as an organization's information service domain and as a public communication pipeline. Also, there are case studies released regarding the capturing and archiving of social media records. This research highlights the value that social media has, with an, objective of presenting the implementation of an archival method that captures the social media records in the blind spot of the Central Administrative Organization's Record Management.

• Journal of Digital Contents Society
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• v.19 no.1
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• pp.19-26
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• 2018

A shared work platform is needed to legitimately activate shared works. To facilitate the use of copyrighted works by streamlining licensing procedures and by expressing and distributing the scope of use by authors themselves. In this study, five interface areas and fifteen evaluation items were selected to analyze the interface types and characteristics of the Korean shared work platform, and analyzed based on the national operating platform. We will analyze and compare the situation of the web interface of the Korean shared works by analyzing the types and characteristics of the web interface of the public opera platform, the Gongu-madang, Gonggong-nuri and private leader, Europeana.

• KSII Transactions on Internet and Information Systems (TIIS)
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• v.10 no.10
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• pp.5153-5170
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• 2016

The benefit of the scalability and flexibility inherent in cloud computing motivates clients to upload data and computation to public cloud servers. Because data is placed on public clouds, which are very likely to reside outside of the trusted domain of clients, this strategy introduces concerns regarding the security of sensitive client data. Thus, to provide sufficient security for the data stored in the cloud, it is essential to encrypt sensitive data before the data are uploaded onto cloud servers. Although data encryption is considered the most effective solution for protecting sensitive data from unauthorized users, it imposes a significant amount of overhead during the query processing phase, due to the limitations of directly executing operations against encrypted data. Recently, substantial research work that addresses the execution of SQL queries against encrypted data has been conducted. However, there has been little research on top-k join query processing over encrypted data within the cloud computing environments. In this paper, we develop an efficient algorithm that processes a top-k join query against encrypted cloud data. The proposed top-k join processing algorithm is, at an early phase, able to prune unpromising data sets which are guaranteed not to produce top-k highest scores. The experiment results show that the proposed approach provides significant performance gains over the naive solution.

• Journal of KIISE:Information Networking
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• v.29 no.2
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• pp.109-116
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• 2002

Through the increment of requirement for group oriented communication services, on the open network, the multicast infrastructure has become a widely discussed researching topic. However the research of the security properties that safety, efficiency and scaleability in a multicast structure, has not been enough. In this study, we discuss conventional multicast key management structures and propose a scalable secure multicast key management structure based on PKI(Public Key Infrastructure), IPSec, domain subgroup and structural two mode scheme. Also we certify to the usability of new proposed scheme from comparing it with conventional schemes in the part of safety, efficiency and scaleability.

• Structural Monitoring and Maintenance
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• v.6 no.3
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• pp.219-235
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• 2019

Scheduled inspections of common crossings are one of the main cost drivers of railway maintenance. Prognostics and health management (PHM) approach and modern monitoring means offer many possibilities in the optimization of inspections and maintenance. The present paper deals with data driven prognosis of the common crossing remaining useful life (RUL) that is based on an inertial monitoring system. The problem of scheduled inspections system for common crossings is outlined and analysed. The proposed analysis of inertial signals with the maximal overlap discrete wavelet packet transform (MODWPT) and Shannon entropy (SE) estimates enable to extract the spectral features. The relevant features for the acceleration components are selected with application of Lasso (Least absolute shrinkage and selection operator) regularization. The features are fused with time domain information about the longitudinal position of wheels impact and train velocities by multivariate regression. The fused structural health (SH) indicator has a significant correlation to the lifetime of crossing. The RUL prognosis is performed on the linear degradation stochastic model with recursive Bayesian update. Prognosis testing metrics show the promising results for common crossing inspection scheduling improvement.